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<br />I <br />1 <br /> <br />STREAMFLOW <br />Streamflow for the Colorado River, Green River and San Juan River stations for February 1999 <br />are shown in Table 2. Data presented in the following table was obtained ITom the monthly report <br />of streamflow and reservoir contents in the Upper Colorado River Basin, as provided by the US. <br />Geological Survey Water Resources Division, Utah District. A comparison of monthly <br />streamflow to average monthly streamflow during an 84 year period from 1914 to 1997 is <br />presented for each in figure 2 on page 4. <br /> <br />Table 2. <br /> <br />FEBRUARY <br />DISCHARGE <br />(1000 aJ,) <br /> <br />Streamflow for the Colorado River, Green River and San Juan River, Febl1larv 1999 <br />CUMULATIVE % OF 84 YEAR <br />MONTHLY (1914-1997) <br />(FEB 99) CUMULATIVE <br />DISCHARGE DISCHARGE <br />(1000 A.F.) (FEB 99) <br /> <br />% OF 83 YEAR <br />(1914-1996) <br />FEBRUARY <br />DISCHARGE <br /> <br />Colorado River <br /> <br />n~ar elsca, lit <br /> <br />Adjusted (a) <br /> <br />Green River <br /> <br />at Green River, Ut <br /> <br />Adjusted (b) <br /> <br />San Juan River <br /> <br />near Bluff, Ut <br /> <br />Adj usted (c) <br /> <br />Total <br /> <br />Adjusted Total <br /> <br />Colorado River <br /> <br />at Lees Ferry (d) 8077 <br /> <br />(8) Adjusted for change in storage U1 Blue Mesa R.::servoir. Storage began in Blue Me::;a Reservoir on October 27. 1965. <br />(I:-) Adjusted for change in storage in Flaming Gorge and rontenellc Reservoirs. Storage began in Flaming Gorge Reservoir <br />on November I, 1962. and in Fontenelle Reservoir in Or.:tober of 1964. <br />(c) Adjusted for change in Navajo Reservoir. Storage began on June 27, 1962. Not adjusted for San Juan-Chams <br />diversions. <br />(d) Including the Paria River discharge. <br /> <br />186.5 <br /> <br />176.2 <br /> <br />70% <br /> <br />lLlI.<i <br />1143.9 <br /> <br />82% <br /> <br />294.5 <br />178.3 <br /> <br />113% <br /> <br />1339.8 <br />860.8 <br /> <br />107% <br /> <br />48.7 <br />34.9 <br />389.407 <br /> <br />43% <br /> <br />400.8 <br />403.4 <br /> <br />104% <br /> <br />FORECAST <br />Ftbruary inflows ranged from 73%-1 13% ufaverage. The April through July forca~t ranges from <br />69%-113% of average according to the March 4th final forcast, with Lake Powell dropping by <br />3%. <br /> <br />Table 3. Flow comparisons of the Upper Colorado Basin Reservoirs <br /> F orcast Outlook <br /> February Flow Percent of Mar-May 1999 Percent of Apr-Jul 1999 Percent of <br /> (1000 aJ.) Average (1000 aX.) Average (1000 a.f.) Average <br />F ontenelle 33 113.00% 365 112.00% 950 \\2.00% <br />Flaming Gorge 49 100.00% 625 112.00% 1350 113.00% <br />Blue Mesa 24 109 00% 297 92.00% 520 74.00% <br />Navajo 23 80.00% 370 81.00% 530 69.00% <br />Lake Powell 302 73.00% 3300 86.00% 6500 84.00% <br />